diff --git a/agent/main.go b/agent/main.go
index b0012605c..245135fee 100644
--- a/agent/main.go
+++ b/agent/main.go
@@ -86,7 +86,7 @@ func hostApi(socketHarOutputChannel chan<- *tapApi.OutputChannelItem) *gin.Engin
 	app := gin.Default()
 
 	app.GET("/echo", func(c *gin.Context) {
-		c.String(http.StatusOK, "Here is Mizu agent")
+		c.JSON(http.StatusOK, "Here is Mizu agent")
 	})
 
 	eventHandlers := api.RoutesEventHandlers{